ygs67 发表于 2016-2-16 16:36:32

ASTM D2494-13

ASTM D2494-13 Standard Test Method for Commercial Mass of a Shipment of Yarn or Manufactured Staple Fiber or Tow

admin 发表于 2016-2-16 17:22:59

谢谢您的分享,金币已奖励!
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